Home / 168,812,034.35-253,213,327.60-53,803,478.03

Finding the Fourth Proportional to 168,812,034.35, 253,213,327.60 and 53,803,478.03

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Solution

The fourth proportional to 168,812,034.35, 253,213,327.60 and 53,803,478.03 is: 80,703,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812,034.35 : 253,213,327.60 = 53,803,478.03 : x
  2. Step 2: Convert to fraction form
    168,812,034.35/253,213,327.60 = 53,803,478.03/x
  3. Step 3: Cross multiply
    168,812,034.35x = 253,213,327.60 × 53,803,478.03
  4. Step 4: Simplify right side
    168,812,034.35x = 13,623,757,707,029,216
  5. Step 5: Solve for x
    x = 13,623,757,707,029,216/168,812,034.35
  6. Step 6: Final answer
    x = 80,703,711.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.